2015
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
904905 |
2343 |
- |
2436 |
= |
-93 |
* |
(128 |
/ |
414)
|
= |
-28.7536231 |
4 |
904906 |
2393 |
- |
2485 |
= |
-92 |
* |
(164 |
/ |
414)
|
= |
-36.44444438 |
5 |
904909 |
2413 |
- |
2528 |
= |
-115 |
* |
(122 |
/ |
414)
|
= |
-33.88888885 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Forty-Ninth Street Elementary
|
-99 |
2016
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
28600 |
2377 |
- |
2436 |
= |
-59 |
* |
(131 |
/ |
411)
|
= |
-18.80535279 |
4 |
28602 |
2386 |
- |
2485 |
= |
-99 |
* |
(120 |
/ |
411)
|
= |
-28.9051094 |
5 |
28605 |
2420 |
- |
2528 |
= |
-108 |
* |
(160 |
/ |
411)
|
= |
-42.04379552 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Forty-Ninth Street Elementary
|
-90 |
2017
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
29168 |
2376 |
- |
2436 |
= |
-60 |
* |
(130 |
/ |
364)
|
= |
-21.42857142 |
4 |
29170 |
2398 |
- |
2485 |
= |
-87 |
* |
(121 |
/ |
364)
|
= |
-28.92032963 |
5 |
29171 |
2404 |
- |
2528 |
= |
-124 |
* |
(113 |
/ |
364)
|
= |
-38.49450544 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Forty-Ninth Street Elementary
|
-89 |
2018
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
29217 |
2373 |
- |
2436 |
= |
-63 |
* |
(119 |
/ |
364)
|
= |
-20.59615379 |
4 |
29218 |
2400 |
- |
2485 |
= |
-85 |
* |
(118 |
/ |
364)
|
= |
-27.55494504 |
5 |
29221 |
2412 |
- |
2528 |
= |
-116 |
* |
(127 |
/ |
364)
|
= |
-40.47252737 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Forty-Ninth Street Elementary
|
-89 |
2019
Step 1 |
|
Step 2 |
|
Step 3 |
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
Grade |
Line number |
Mean Scale Score |
- |
Scale Score: met min |
= |
Distance from standard |
* |
(Students tested in grade |
/ |
Students) tested in school |
= |
Weighted Distance From Standard |
3 |
29394 |
2402 |
- |
2436 |
= |
-34 |
* |
(93 |
/ |
317)
|
= |
-9.9747634 |
4 |
29395 |
2393 |
- |
2485 |
= |
-92 |
* |
(104 |
/ |
317)
|
= |
-30.18296523 |
5 |
29396 |
2409 |
- |
2528 |
= |
-119 |
* |
(120 |
/ |
317)
|
= |
-45.04731851 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Forty-Ninth Street Elementary
|
-85 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-99
|
-90
|
-89
|
-89
|
-85
|
-452.0 |
-90.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -75.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.4
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources: